• 09/30196542 DC : 0

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS ISO 9698 - WATER QUALITY - DETERMINATION OF TRITIUM ACTIVITY CONCENTRATION - LIQUID SCINTILLATION COUNTING METHOD

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-03-2011

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Symbols, definitions and units
    4 Principle
    5 Reagents and equipment
      5.1 Reagents
      5.2 Equipment
    6 Sampling and samples
      6.1 Sampling
      6.2 Sample storage
    7 Procedure
      7.1 Sample preparation
      7.2 Preparation of the sources to be measured
      7.3 Counting procedure
    8 Expression of results
      8.1 Calculation of activity concentration
      8.2 Decision threshold
      8.3 Detection limit
      8.4 Confidence interval limits
      8.5 Calculations using the activity per unit of mass
    9 Test report
    Annex A (informative) - Numerical applications
    Annex B (informative) - Distillation of large volume sample
    Annex C (informative) - Internal standard methods
    Annex D (informative) - Distillation of small volume sample
    Annex E (informative) - Screening method for wet matrices
    Bibliography

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee EH/3
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    ISO/IEC Guide 98:1993 Guide to the expression of uncertainty in measurement (GUM)
    ISO 5667-14:2014 Water quality Sampling Part 14: Guidance on quality assurance and quality control of environmental water sampling and handling
    ISO 5667-3:2012 Water quality Sampling Part 3: Preservation and handling of water samples
    ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
    ISO 5667-1:2006 Water quality Sampling Part 1: Guidance on the design of sampling programmes and sampling techniques
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